Medium and Short Wave RF Energy Harvester for Powering Wireless Sensor Networks. - Jesus A. Leon-Gil; Agustin Cortes-Loredo; Angel Fabian-Mijangos; Javier J. Martinez-Flores; Marco Tovar-Padilla; M. Antonia Cardona-Castro; Alfredo Morales-Sánchez; Jaime Alvarez-Quintana (Sensors, 2018)